import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import AutoImport from 'unplugin-auto-import/vite'
import setupExtend from 'unplugin-vue-setup-extend-plus/vite'
import path from 'node:path'
import { readFileSync } from 'node:fs'

const packageJson = JSON.parse(readFileSync(new URL('./package.json', import.meta.url), 'utf8'))
const externalDependencies = [
  ...Object.keys(packageJson.dependencies || {}),
  ...Object.keys(packageJson.peerDependencies || {})
]

const peerDependencies = [
  'vue',
  'vue-router',
  'pinia',
  'element-plus',
  '@element-plus/icons-vue'
]

export default defineConfig({
  plugins: [
    vue(),
    AutoImport({
      imports: [
        'vue',
        'vue-router',
        'pinia',
        {
          '@/utils/dict': ['useDict'],
          '@/utils/ruoyi': ['selectDictLabel']
        }
      ],
      dts: false
    }),
    setupExtend()
  ],
  resolve: {
    alias: {
      '@': path.resolve(import.meta.dirname, './src')
    },
    extensions: ['.mjs', '.js', '.ts', '.jsx', '.tsx', '.json', '.vue']
  },
  css: {
    preprocessorOptions: {
      scss: {
        additionalData: `@use "${path.resolve(import.meta.dirname, './src/style/variable.scss').replaceAll('\\', '/')}" as *;`
      }
    }
  },
  build: {
    target: 'es2022',
    sourcemap: true,
    cssCodeSplit: false,
    lib: {
      entry: path.resolve(import.meta.dirname, 'src/index.js'),
      formats: ['es'],
      fileName: () => 'index.js',
      cssFileName: 'style'
    },
    rollupOptions: {
      external: (id) => externalDependencies.some((dependency) => id === dependency || id.startsWith(`${dependency}/`)),
      output: {
        chunkFileNames: 'chunks/[name]-[hash].js',
        assetFileNames: (assetInfo) => assetInfo.name === 'style.css'
          ? 'style.css'
          : 'assets/[name]-[hash][extname]'
      }
    }
  }
})